Greatest Common Factor of 78, 31, 28, 50

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 78, 31, 28, 50 by common division method
• Greatest Common Factor of 78, 31, 28, 50 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Greatest Common Factor

We found the factors 78,31,28,50 . The biggest common factor number is the GCF number.
So the greatest common factor 78,31,28,50 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 38, 24, 23, 11
• GCF of 89, 37, 19, 96
• GCF of 52, 53, 36, 56
• GCF of 70, 84, 67, 60
• GCF of 14, 89, 13, 46

1. What is the GCF of 78, 31, 28, 50?

Answer: GCF of 78, 31, 28, 50 is 1.

2. How to Find the GCF of 78, 31, 28, 50

Answer: Greatest Common Factor(GCF) of 78, 31, 28, 50 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(78, 31, 28, 50) = 1.